CVE-2021-32076 Access Restriction bypass vulnerability via referrer spoof - Business Logic Bypass
Attackers can bypass IP restrictions to access the admin account creation page by spoofing the HTTP referrer header.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32076?
CVE-2021-32076 is a medium-severity authentication bypass vulnerability in SolarWinds Web Help Desk, published on 26 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An attacker can access the 'Web Help Desk Getting Started Wizard', especially the admin account creation page, from a non-privileged IP address network range or loopback address by intercepting the HTTP request and changing the referrer from the public IP address to the loopback.
Weakness: CWE-290
Which versions are affected by CVE-2021-32076?
It affects 1 product.
Products include Solarwinds Web Help Desk.
How do I fix CVE-2021-32076?
No fix has been published for CVE-2021-32076 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-32076 being exploited?
There is no known exploitation of CVE-2021-32076 in the wild and no public exploit code.
Other vulnerabilities in SolarWinds Web Help Desk
- CVE-2025-40551 SolarWinds Web Help Desk Deserialization of Untrusted Data
- CVE-2025-26399 SolarWinds Web Help Desk Deserialization of Untrusted Data
- CVE-2024-28986 SolarWinds Web Help Desk Deserialization of Untrusted Data
- CVE-2024-28987 SolarWinds Web Help Desk Hardcoded Credential
- CVE-2025-40536 SolarWinds Web Help Desk Security Control Bypass
Sources
Also known as GHSA-x84r-583w-g39w.